A simple, flexible, and extensible navigation menu for Django.
Project description
django-simple-nav
django-simple-nav
is a Python/Django application designed to simplify the integration of navigation and menu bars in your Django projects. With a straightforward API and customizable options, you can easily add and manage navigational elements in your web applications. It is designed to be simple to start with, but flexible enough to handle complex navigation structures while maintaining that same simplicity.
Requirements
- Python 3.8, 3.9, 3.10, 3.11, 3.12
- Django 3.2, 4.2, 5.0
Getting Started
-
Install the package from PyPI.
python -m pip install django-simple-nav
-
Add
django_simple_nav
toINSTALLED_APPS
.After installation, add
django_simple_nav
to yourINSTALLED_APPS
in your Django settings:INSTALLED_APPS = [ ..., "django_simple_nav", ..., ]
Usage
-
Create a navigation definition.
Define your navigation structure in a Python file. This file can be located anywhere in your Django project, provided it's importable. You can also split the navigations across multiple files if desired.
A good starting point is to create a single
nav.py
ornavigation.py
file in your Django project's main configuration directory (where yoursettings.py
file is located).django-simple-nav
provides three classes to help you define your navigation structure:Nav
: The main container for a navigation structure. It has two required attributes:template_name
: The name of the template to render the navigation structure.items
: A list ofNavItem
orNavGroup
objects that represent the navigation structure.
NavGroup
: A container for a group ofNavItem
orNavGroup
objects. It has two required and three optional attributes:title
: The title of the group.items
: A list ofNavItem
orNavGroup
objects that represent the structure of the group.url
(optional): The URL of the group. If not provided, the group will not be a link but just a container for the items.permissions
(optional): A list of permissions that control the visibility of the group.extra_context
(optional): A dictionary of additional context to pass to the template when rendering the navigation.
NavItem
: A single navigation item. It has two required and three optional attributes:title
: The title of the item.url
: The URL of the item. This can be a URL string (e.g.https://example.com/about/
or/about/
) or a Django URL name (e.g.about-view
).permissions
(optional): A list of permissions that control the visibility of the item.extra_context
(optional): A dictionary of additional context to pass to the template when rendering the navigation.
Here's an example configuration:
# config/nav.py from django_simple_nav.nav import Nav from django_simple_nav.nav import NavGroup from django_simple_nav.nav import NavItem class MainNav(Nav): template_name = "main_nav.html" items = [ NavItem(title="Relative URL", url="/relative-url"), NavItem(title="Absolute URL", url="https://example.com/absolute-url"), NavItem(title="Internal Django URL by Name", url="fake-view"), NavGroup( title="Group", url="/group", items=[ NavItem(title="Relative URL", url="/relative-url"), NavItem(title="Absolute URL", url="https://example.com/absolute-url"), NavItem(title="Internal Django URL by Name", url="fake-view"), ], ), NavGroup( title="Container Group", items=[ NavItem(title="Item", url="#"), ], ), NavItem( title="is_authenticated Item", url="#", permissions=["is_authenticated"] ), NavItem(title="is_staff Item", url="#", permissions=["is_staff"]), NavItem(title="is_superuser Item", url="#", permissions=["is_superuser"]), NavItem( title="myapp.django_perm Item", url="#", permissions=["myapp.django_perm"] ), NavGroup( title="Group with Extra Context", items=[ NavItem( title="Item with Extra Context", url="#", extra_context={"foo": "bar"}, ), ], extra_context={"baz": "qux"}, ), ]
-
Create a template for the navigation.
Create a template to render the navigation structure. This is just a standard Django template so you can use any Django template features you like.
Any items with permissions attached will automatically filtered out before rendering the template based on the request user's permissions, so you don't need to worry about that in your template.
Items with extra context will have that context passed to the template when rendering the navigation, which you can access either directly or through the
item.extra_context
attribute.For example, given the above example
MainNav
, you could create amain_nav.html
template:<!-- main_nav.html --> <ul> {% for item in nav.items %} <li> <a href="{{ item.url }}"{% if item.active %} class="active"{% endif %}{% if item.baz %} data-baz="{{ item.baz }}"{% endif %}> {{ item.title }} </a> {% if item.items %} <ul> {% for subitem in item.items %} <li> <a href="{{ subitem.url }}"{% if subitem.active %} class="active"{% endif %}{% if item.extra_context.foo %} data-foo="{{ item.extra_context.foo }}"{% endif %}> {{ subitem.title }} </a> </li> {% endfor %} </ul> {% endif %} </li> {% endfor %} </ul>
-
Integrate navigation in templates.:
Use the
django_simple_nav
template tag in your Django templates where you want to display the navigation.For example:
<!-- base.html --> {% load django_simple_nav %} <nav> {% django_simple_nav "path.to.MainNav" %} </nav>
The template tag can either take a string representing the import path to your navigation definition or an instance of your navigation class:
# example_app/views.py from config.nav import MainNav def example_view(request): return render(request, "example_app/example_template.html", {"nav": MainNav()})
<!-- base.html --> {% load django_simple_nav %} <nav> {% django_simple_nav nav %} </nav>
Additionally, the template tag can take a second argument to specify the template to use for rendering the navigation. This is useful if you want to use the same navigation structure in multiple places but render it differently.
<!-- base.html --> {% load django_simple_nav %} <footer> {% django_simple_nav "path.to.MainNav" "footer_nav.html" %} </footer>
After configuring your navigation, you can use it across your Django project by calling the django_simple_nav
template tag in your templates. This tag dynamically renders navigation based on your defined structure, ensuring a consistent and flexible navigation experience throughout your application.
Documentation
Please refer to the documentation for more information.
License
django-simple-nav
is licensed under the MIT license. See the LICENSE
file for more information.
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